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Welcome to the last newsletter of 2020!

This was a weird year, so this newsletter issue will be similar. It's an overview of links of the past year, but with focus on underrated links - links that didn't have many clicks, but we think they deserve more...
Dropping Support For IE11 Is Progressive Enhancement
If you have to choose, you should prioritize users with no JavaScript over users with old JavaScript.
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Libs & Tools & References
A showcase of what is possible with Progressive Web Apps today.
This article explores how to test React Hooks and outlines an eight-step testing plan you could employ to test your own projects.
Start using next-gen .avif images today progressively with the picture element. The format is ~50% smaller in size compared to JPEG, and ~20% smaller than WebP.
CSS background is one of the most used CSS properties. However, using multiple backgrounds is still not well known across all developers.
Broadly speaking, composition is putting two or more different things together, and getting the same “kind” of thing — a combination of the inputs — as a result.
Using the keyboard only will tell you a lot about the accessiblity of your website.
Julia Evans writes about the often missing ingredient in debugging CSS: a better attitude.
Oftentimes, we want to limit the width of an element relative to its parent, and at the same time, to make it dynamic. In this article, we will go through the maximum and minimum CSS properties for width and height, and to explain each one in a detailed way with possible use cases and tips.
For beginners
"Sometimes when writing JavaScript, I want to shout “This is ridiculous!”. But then I never know what this refers to."
Hello from the server-side
This article looks into the setting response headers and CSP for most generic applications.
Check out the amazing power of CSS custom properties